R440A GWP: global warming potential (AR4, AR5)

R440A has a 100-year global warming potential (GWP) of 144 under AR4, 156 under AR5, and 173 under WMO 2022.

A GWP is counted in kilograms of CO₂ equivalent (kg CO₂e) per kilogram of gas released.

GWP by IPCC report and horizon

One row per figure. When publishers print different figures under one report, each figure gets its own row.

R440A: global warming potential by report and horizon, in kg CO₂e per kg
ReportHorizonGWPPrinted by
AR4100 years144UNEP
AR5100 years156DESNZ
WMO 202220 years603UNEP
WMO 2022100 years173UNEP

Composition

R440A is a blend. Shares by mass as UNEP states them.

ComponentShare by mass
R2900.6%
R134a1.6%
R152a97.8%

Who publishes it

Every open record of R440A this page reads, with the figures it prints.

PublisherRecordRegionFiguresFactor page
DESNZBlends - R440AUnited KingdomAR5 100 years: 156
UNEPR-440A - R-290/134a/152a (0.6/1.6/97.8)WorldAR4 100 years: 144 · WMO 2022 20 years: 603 · WMO 2022 100 years: 173

Source: the open records of the open-climate.ai catalogue, version 1590.

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